Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Jack G. Petersen"'
Autor:
J. Kirk Cochran, Jack G. Petersen, Joyce C. Grier, Neil H. Landman, W. Henry Towbin, James W. Grier
Publikováno v:
Lethaia. 51:48-74
The nautilid Eutrephoceras dekayi (Morton 1834) is relatively abundant in the lower Maastrichtian (Upper Cretaceous) Pierre Shale of east-central Montana. We analysed the morphology, size frequency distribution, and isotope composition of a large col
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f8b09fbbcbaeabad0769511a60fef0f
https://doi.org/10.1111/let.12222
https://doi.org/10.1111/let.12222
Publikováno v:
Rocky Mountain Geology. 42:123-136
The scaphitid ammonite genus Ponteixites Warren, 1934, has remained poorly known and poorly represented in collections up to the present. All previously described specimens of Ponteixites , including the original type specimens, are small and appear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b2b087a7c00d47244cad10f54f51290
https://doi.org/10.2113/gsrocky.42.2.123
https://doi.org/10.2113/gsrocky.42.2.123
Publikováno v:
Journal of Paleontology. 66:521-523
The discovery of a specimen of Rhaeboceras coloradoense Cobban, 1987, in the Baculites eliasi zone in east-central Montana is significant for three reasons: 1) it is the most geologically recent occurrence of Rhaeboceras; 2) it connects more closely
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f26183705c2972e261ca7847bfe3e227
https://doi.org/10.1017/s0022336000034041
https://doi.org/10.1017/s0022336000034041